Refactor FileIO to the new resource host system.

ppapi/thunk/interfaces_ppb_private.h

Index: ppapi/thunk/interfaces_ppb_private.h
===================================================================
--- ppapi/thunk/interfaces_ppb_private.h	(revision 177698)
+++ ppapi/thunk/interfaces_ppb_private.h	(working copy)
@@ -35,9 +35,6 @@
               PPB_FileChooserTrusted_0_6)
 PROXIED_IFACE(PPB_FileRef, PPB_FILEREFPRIVATE_INTERFACE_0_1,
               PPB_FileRefPrivate_0_1)
-// This uses the FileIO API which is declared in the public stable file.
-PROXIED_IFACE(PPB_FileIO, PPB_FILEIOTRUSTED_INTERFACE_0_4,
-              PPB_FileIOTrusted_0_4)
 PROXIED_IFACE(PPB_Instance, PPB_FLASHFULLSCREEN_INTERFACE_0_1,
               PPB_FlashFullscreen_0_1)
 PROXIED_IFACE(PPB_Instance, PPB_FLASHFULLSCREEN_INTERFACE_1_0,
@@ -45,6 +42,8 @@
 
 PROXIED_IFACE(NoAPIName, PPB_TALK_PRIVATE_INTERFACE_1_0,
               PPB_Talk_Private_1_0)
+// This uses the FileIO API which is declared in the public stable file.
+PROXIED_IFACE(NoAPIName, PPB_FILEIOTRUSTED_INTERFACE_0_4, PPB_FileIOTrusted_0_4)
 
 // Hack to keep font working. The Font 0.6 API is binary compatible with
 // BrowserFont 1.0, so just map the string to the same thing.